Re: Queue bandwidth

From: Godswill Oletu (oletu@inbox.lv)
Date: Wed Jun 14 2006 - 22:47:22 ART


Vinu,

You kind of answer your own question, just read the portion of the doc cd,
you pasted:

The doc cd, refer to those value as 'ratio' or 'weights'

Both statements are the same and will accomplish the same thing.

Statement one, say for every 1 packet sent from queue 1; send 2 from queue
2; 5 from queue 3 and 8 from queue 4.

If you do the maths, you will see that, from every 10 packets sent from
queue 1; 20 will be sent from queue; 50 will be sent from queue 3 and 80
will be sent from queue 4.

HTH
Godswill Oletu

----- Original Message -----
From: "Vinu" <vinupeter@gmail.com>
To: "Cisco certification" <ccielab@groupstudy.com>
Sent: Wednesday, June 14, 2006 8:21 PM
Subject: Queue bandwidth

> Can any one tell if these commands do the same thing
>
> (config-if)#wrr-queue bandwidth 1 2 5 8
> (config-if)#wrr-queue bandwidth 10 20 50 80
>
> from doc cd it says so
>
> "
> You configure the queues to be serviced according to the ratio of WRR
> weights by using the *wrr-queue bandwidth* interface configuration
command.
> The ratio represents the importance (weight) of a queue relative to the
> other queues. WRR scheduling prevents low-priority queues from being
> completely neglected during periods of high-priority traffic by sending
some
> packets from each queue in turn. The number of packets sent corresponds to
> the relative importance of the queue. For example, if one queue has a
weight
> of 3 and another has a weight of 4, three packets are sent from the first
> queue for every four that are sent from the second queue."
> --
> Regards,
> Vinu
>
> "Whatever you are, be a good one. "
>
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